The structure and optical properties of lithium niobate thin film (LiNbO3) grown on silicon for various lanthanum concentration and molarity

被引：0
作者：
Irzaman [1 ,2 ]
Khomariah, Nurul [3 ]
Syafutra, Heriyanto [1 ]
Aidi, Muhammad Nur [4 ]
Alatas, Husin [3 ]
Hardhienata, Hendradi [1 ]
机构：
[1] IPB Univ, Dept Phys, Bogor, West Java, Indonesia
[2] IPB Univ, Surfactant & Bioenergy Reseach Ctr, Bogor, West Java, Indonesia
[3] IPB Univ, Dept Biophys, Bogor, West Java, Indonesia
[4] IPB Univ, Dept Stat, Bogor, West Java, Indonesia
来源：
FERROELECTRICS | 2022年 / 589卷 / 01期
关键词：
Lithium niobate; lanthanum doped; chemical solution deposition; spin coating; BAND-GAP; TEMPERATURE; WAVELENGTH; DEPOSITION; MODEL;
D O I：
10.1080/00150193.2021.1984768
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have successfully deposited lithium niobate thin films on a p-type silicon substrate (100) using Chemical Solution Deposition (CSD) method and spin coating technique. The lithium niobate thin films were doped with Lanthanum with a molarity variation of 1 M, 2 M, 3M, and 4M and concentration variation of 0%, 2%, 4%, and 6% on 2M solubility. Using reflectance data, we found that the energy gap of the niobite thin film at 1 M, 2 M, 3M, and 4M solubility are 1.36 eV, 2.79 eV, 2.38 eV, and 1.75 eV, respectively. Meanwhile, lanthanum doped lithium with concentration of 0%, 2%, 4%, and 6% yield an energy gap of 2.75 eV, 3.19 eV, 3.21 eV, and 2.45 eV, respectively. X-ray measurement on Lithium Niobate thin films show a rhombohedral structure with lattice parameter a = b while the c parameter is different.
引用
收藏
页码：12 / 21
页数：10
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